Patent GB-125059-A (GB)
Title: Improvements in or relating to Centrifugal Liquid Separators.
Inventor: JACQUES MAXIME CALINAUD
IPC: B04B9/00
Filed: 1919-03-18
Abstract: 125,059. Calinaud, J. M. April 4, 1918, [Convention date]. Void [Published under Sect. 91 of the Act] Density separators; casings; charging; driving. -The bowl of a centrifugal separator is fitted with a number of cups d nested in superposition and of such form that the space between them decreases from the centre towards the periphery. The bowl is formed of a base b<2> with a long central boss fitting the upper section b<1> of the driving shaft. A cup-member c with a cylindrical neck is placed in the bowl and a series of cups d, preferably of uniform diameter and thickness, are superposed. The cups d have central apertures providing an annular cream-passage outside the neck c' of the member c and a series of spaced apertures d<00>, out of register with apertures c<0> in the cup c. through which milk passes upwards. The edges d<0> of the cups are close together and may have recesses or distance-pieces providing a restricted outlet and terminate short of the bowl casing e so as to provide a channel for the separated milk to the outlet e<00>. The cream outlet is adjustable radially from the axis of the spindle by the relative rotation of a washer n with respect to the upper face of the casing e. This face has a number of radial rectangular openings e‹ and the collar n has corresponding openings arranged obliquely below the openings e‹. The superposed portions of these openings thus vary in their distance from the axis as the collar n is rotated. In order to adjust the vertical position of the bowl on the spindly, a screwed stud b<6> is fitted in the boss of the bowl and the reduced end of the spindle engages a slot in the said stud. The milk inlet comprises a hollow nut f screwed on the stud b<6> and provided with channel f<0> through its annular walls. Cyindrical casings a<2>, a<3>, a<4>, a<5>, supported on the base of the apparatus, serve to enclose the bowl and form respectively the cream receptacle. blue-milk receptacle, and the supply reservoir. The nozzle a<50> below the vessel a<5> enters the nut f. A float g in the vessel a<5> maintains a constant level of milk in this vessel by controlling the flow from the reservoir h. A hand-controlled valve h' may also be fitted. The reservoir h, which is fitted to flanges on a platform h<2>, rests on the vessel a' and its weight serves to hold the lower vessels in position. A pillar l guided in a tube a<00000 >steadies the reservoir A.. The bowl spindle b<1> enters a hollow shaft b and is free to move radially therein under control of a rubber butter ring m. A driving connexion comprises a slot and plate device b<0> at the bottom of the spindle b'. The shaft b is carried by an adjustable step bearing on the stud k and an upper ball bearing b<4> is fitted in the cover a<1> of the gear chamber. The shaft b is driven by helical and spur gearing from a shaft i which may be driven by power through a one-way clutch or by hand from a lever i<5> and a pawl or ratchet device. The gear wheels are enclosed in the base of the apparatus, and the shafts are inserted in suitable bosses and heM in their places bv screw-threaded portions. The lower parts of the gear dip in an oil bath, the level of which is determined bv the overflow pipe passing through the bolt k<1>. Oil which is splashed on to the cover a<1> is collected by a rim a<100> on the under side of that cover, and is discharged by way of a lip a<1000 >on to the upper gear wheel.